Sionna Therapeutics Inc
Sionna Therapeutics Inc (SION) Options Open Interest
SION options open interest is 9,163 contracts. The 2-week average daily volume is 675 contracts across the chain.
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Monitoring SION open interest helps you see where real money is positioned on Sionna Therapeutics Inc's options and which strikes are attracting the most commitment from traders. Sionna Therapeutics Inc's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor SION options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising SION options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect Sionna Therapeutics Inc to settle.
Sionna Therapeutics, Inc. is a biopharmaceutical company. The Company provides treatment paradigm for cystic fibrosis patients by developing medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where SION open interest is concentrated. Our scanner maps Sionna Therapeutics Inc's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade Sionna Therapeutics Inc's options open interest as the signal it is, not as an afterthought.
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As of September 21, 2026
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